
Jacqueline Mars : Mars and her brother, John, each inherited one-third of the $35 billion (sales) candy company known for M&Ms and Milky Way bars.she worked for the company for nearly 20 years and served on the board until 2016.

Julia Koch: Koch joined the billionaire ranks after she and her three children inherited a 42% stake in Koch Industries from her husband, David, who died in August 2019 at age 79.

Michael Dell : Michael Saul Dell is an American billionaire businessman and philanthropist. He is the founder, chairman and CEO of Dell Technologies, one of the world's largest technology infrastructure companies. He is ranked 27th richest in the world by Forbes.

Carlos slim: Carlos Slim Helú is a Mexican business magnate, investor and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world by the Forbes business magazine. He derived his fortune from his extensive holdings in a considerable number of Mexican companies.

Jeff Bezos: Jeffrey Preston Bezos is an American internet entrepreneur, industrialist, media proprietor, and investor. He is the founder and CEO of the multi-national technology company Amazon.